The Largest Tsunami Run-Up Ever Recorded Happened in Alaska, and It Reached an Unbelievable 1,720 Feet.On July 9, 1958, a magnitude 7.8 earthquake struck Alaska’s Fairweather Fault, triggering a massive rockslide into the remote waters of Lituya Bay.Approximately 40 million cubic yards of rock and debris plunged into the bay, displacing an enormous volume of water and generating one of the most extraordinary tsunamis ever documented.The water surged up the surrounding mountainside to a maximum elevation of 1,720 feet (524 meters), stripping away trees and vegetation.That’s taller than the Empire State Building.But here’s the most incredible part.Three fishing boats were inside Lituya Bay when the disaster struck. Two survived. One was destroyed, killing two people.Unlike a typical ocean tsunami, this was a localized megatsunami triggered by a massive landslide.Important: The famous 1,720-foot measurement represents the maximum height the water reached on land, not the height of a vertical wall of water traveling across the bay.The image is a dramatic illustration, not an actual photograph of the 1958 event.One of the most extreme demonstrations of nature’s power ever recorded.Did you know? 🎓
The Largest Tsunami Run-Up Ever Recorded Happened in Alaska, and It Reached an Unbelievable 1,720 Feet.On July 9, 1958, a magnitude 7.8 earthquake struck Alaska’s Fairweather Fault, triggering a massive rockslide into the remote waters of Lituya Bay.Approximately 40 million cubic yards of rock and debris plunged into the bay, displacing an enormous volume of water and generating one of the most extraordinary tsunamis ever documented.The water surged up the surrounding mountainside to a maximum elevation of 1,720 feet (524 meters), stripping away trees and vegetation.That’s taller than the Empire State Building.But here’s the most incredible part.Three fishing boats were inside Lituya Bay when the disaster struck. Two survived. One was destroyed, killing two people.Unlike a typical ocean tsunami, this was a localized megatsunami triggered by a massive landslide.Important: The famous 1,720-foot measurement represents the maximum height the water reached on land, not the height of a vertical wall of water traveling across the bay.The image is a dramatic illustration, not an actual photograph of the 1958 event.One of the most extreme demonstrations of nature’s power ever recorded.Did you know? 🎓
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